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1201. By Mathieu Desnoyers on 2019-02-14

Cleanup: tp mempool: Remove logically dead code

Found by Coverity:
CID 1391045 (#1 of 1): Logically dead code (DEADCODE)

Signed-off-by: Mathieu Desnoyers <email address hidden>

1200. By Michael Jeanson <email address hidden> on 2019-01-16

Fix: btrfs: Remove fsid/metadata_fsid fields from btrfs_info

Introduced in v5.0.

See upstream commit :

  commit de37aa513105f864d3c21105bf5542d498f21ca2
  Author: Nikolay Borisov <email address hidden>
  Date: Tue Oct 30 16:43:24 2018 +0200

    btrfs: Remove fsid/metadata_fsid fields from btrfs_info

    Currently btrfs_fs_info structure contains a copy of the
    fsid/metadata_uuid fields. Same values are also contained in the
    btrfs_fs_devices structure which fs_info has a reference to. Let's
    reduce duplication by removing the fields from fs_info and always refer
    to the ones in fs_devices. No functional changes.

Signed-off-by: Michael Jeanson <email address hidden>
Signed-off-by: Mathieu Desnoyers <email address hidden>

1199. By Michael Jeanson <email address hidden> on 2019-01-16

Fix: SUNRPC: Simplify defining common RPC trace events (v5.0)

See upstream commit :

  commit dc5820bd21d84ee34770b0a1e2fca9378f8f7456
  Author: Chuck Lever <email address hidden>
  Date: Wed Dec 19 11:00:16 2018 -0500

    SUNRPC: Simplify defining common RPC trace events

    Clean up, no functional change is expected.

Signed-off-by: Michael Jeanson <email address hidden>
Signed-off-by: Mathieu Desnoyers <email address hidden>

1198. By Michael Jeanson <email address hidden> on 2019-01-16

Fix: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid

Introduced in v3.12.

See upstream commit :

  commit 92cb6c5be8134db6f7c38f25f6afd13e444cebaf
  Author: Trond Myklebust <email address hidden>
  Date: Wed Sep 4 22:09:50 2013 -0400

    SUNRPC: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid

    Instead of the pointer values, use the task and client identifier values
    for tracing purposes.

Signed-off-by: Michael Jeanson <email address hidden>
Signed-off-by: Mathieu Desnoyers <email address hidden>

1197. By Michael Jeanson <email address hidden> on 2019-01-16

Fix: Remove 'type' argument from access_ok() function (v5.0)

See upstream commit :

  commit 96d4f267e40f9509e8a66e2b39e8b95655617693
  Author: Linus Torvalds <email address hidden>
  Date: Thu Jan 3 18:57:57 2019 -0800

    Remove 'type' argument from access_ok() function

    Nobody has actually used the type (VERIFY_READ vs VERIFY_WRITE) argument
    of the user address range verification function since we got rid of the
    old racy i386-only code to walk page tables by hand.

    It existed because the original 80386 would not honor the write protect
    bit when in kernel mode, so you had to do COW by hand before doing any
    user access. But we haven't supported that in a long time, and these
    days the 'type' argument is a purely historical artifact.

    A discussion about extending 'user_access_begin()' to do the range
    checking resulted this patch, because there is no way we're going to
    move the old VERIFY_xyz interface to that model. And it's best done at
    the end of the merge window when I've done most of my merges, so let's
    just get this done once and for all.

    This patch was mostly done with a sed-script, with manual fix-ups for
    the cases that weren't of the trivial 'access_ok(VERIFY_xyz' form.

    There were a couple of notable cases:

     - csky still had the old "verify_area()" name as an alias.

     - the iter_iov code had magical hardcoded knowledge of the actual
       values of VERIFY_{READ,WRITE} (not that they mattered, since nothing
       really used it)

     - microblaze used the type argument for a debug printout

    but other than those oddities this should be a total no-op patch.

    I tried to fix up all architectures, did fairly extensive grepping for
    access_ok() uses, and the changes are trivial, but I may have missed
    something. Any missed conversion should be trivially fixable, though.

Signed-off-by: Michael Jeanson <email address hidden>
Signed-off-by: Mathieu Desnoyers <email address hidden>

1196. By Michael Jeanson <email address hidden> on 2018-12-06

Fix: timer instrumentation for RHEL 7.6

Signed-off-by: Michael Jeanson <email address hidden>
Signed-off-by: Mathieu Desnoyers <email address hidden>

1195. By Michael Jeanson <email address hidden> on 2018-11-08

Add missing SPDX license identifiers to uprobes

Signed-off-by: Michael Jeanson <email address hidden>
Signed-off-by: Mathieu Desnoyers <email address hidden>

1194. By Michael Jeanson <email address hidden> on 2018-11-08

Drop support for kernels < 3.0 from Makefiles

Signed-off-by: Michael Jeanson <email address hidden>
Signed-off-by: Mathieu Desnoyers <email address hidden>

1193. By Michael Jeanson <email address hidden> on 2018-11-08

Drop support for kernels < 3.0 from writeback instrumentation

Signed-off-by: Michael Jeanson <email address hidden>
Signed-off-by: Mathieu Desnoyers <email address hidden>

1192. By Michael Jeanson <email address hidden> on 2018-11-08

Drop support for kernels < 3.0 from workqueue instrumentation

Signed-off-by: Michael Jeanson <email address hidden>
Signed-off-by: Mathieu Desnoyers <email address hidden>